Answer:
C
Explanation:
and electrican who fixes a broken outlet
Answer:
Double blind study
Explanation:
A double-blind investigation is one in which neither the members nor the one performing the experiments realize who is getting a specific treatment.
This method is used to counteract inclination in research results.
Double blind examinations are especially helpful for anticipating predisposition because of interest qualities or the placebo impact.
Nicotine can be found in cigarettes and comes from tabacco
DO NOT SMOKE PEOPLE
I REPEAT DO NOT SMOKE
Answer:
Estrogen and Progesterone diminish is the correct answer.
Explanation: